[inaudible] spevak, he made earlier lisa on the role the books play in curating books one of the things i dislike about amazon and other on line places is their algorithm actually identifying what a good book is and there is a lot of the term crafty folks it turned claimed there are at bestseller and if you follow through its a place for writers to try to get recognized but unfortunately it's not a good way to have good literature actually recognized, so i'm wondering what your comments are in-app particular role and how you guys are fighting back against that? i know that shelf awareness is probably a leader in that and as panel leaders it's a great thing to have in relation to the question. see i will give a little plug for one of our newsletters which is shelf awareness for readers which comes out twice a week and it's geared towards consumers as opposed to what we started with which is at daily trade. some readers have 25 book reviews a week. we try to pick the best books that are coming out that week. and we have a lot of material about authors and we do interviews and have them do